Robtex

Up: 203.99.50.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.99.50.0/25
Down right: 203.99.50.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.99.50.3	A	mbl-99-50-3.dsl.net.pk
203.99.50.6	PTR	cache.google.com
203.99.50.7	A	mbl-99-50-7.dsl.net.pk
203.99.50.10	A	mbl-99-50-10.dsl.net.pk
203.99.50.11	A	mbl-99-50-11.dsl.net.pk
203.99.50.12	A+PTR	mbl-99-50-12.dsl.net.pk
203.99.50.12	A	r1---sn-o5t5uxa-pncl.googlevideo.com
203.99.50.13	PTR	cache.google.com
203.99.50.13	A	r2.sn-o5t5uxa-pncl.gvt1.com
203.99.50.13	A	mbl-99-50-13.dsl.net.pk
203.99.50.14	A+PTR	mbl-99-50-14.dsl.net.pk
203.99.50.14	A	r3.sn-o5t5uxa-pncl.googlevideo.com
203.99.50.14	A	r3---sn-o5t5uxa-pncl.googlevideo.com
203.99.50.15	A	mbl-99-50-15.dsl.net.pk
203.99.50.17	A	mbl-99-50-17.dsl.net.pk
203.99.50.19	A	mbl-99-50-19.dsl.net.pk
203.99.50.22	A	mbl-99-50-22.dsl.net.pk
203.99.50.23	A	mbl-99-50-23.dsl.net.pk
203.99.50.24	A	mbl-99-50-24.dsl.net.pk
203.99.50.27	PTR	cache.google.com
203.99.50.28	A	mbl-99-50-28.dsl.net.pk
203.99.50.30	A	mbl-99-50-30.dsl.net.pk
203.99.50.32	A	mbl-99-50-32.dsl.net.pk
203.99.50.34	A	mbl-99-50-34.dsl.net.pk
203.99.50.42	A	mbl-99-50-42.dsl.net.pk
203.99.50.44	PTR	cache.google.com
203.99.50.47	A	mbl-99-50-47.dsl.net.pk
203.99.50.54	A	mbl-99-50-54.dsl.net.pk
203.99.50.57	A	mbl-99-50-57.dsl.net.pk
203.99.50.59	A	mbl-99-50-59.dsl.net.pk
203.99.50.68	A	mbl-99-50-68.dsl.net.pk
203.99.50.73	A	mbl-99-50-73.dsl.net.pk
203.99.50.78	A	mbl-99-50-78.dsl.net.pk
203.99.50.79	A+PTR	mbl-99-50-79.dsl.net.pk
203.99.50.80	A	mbl-99-50-80.dsl.net.pk
203.99.50.81	PTR	mbl-99-50-81.dsl.net.pk
203.99.50.85	PTR	mbl-99-50-85.dsl.net.pk
203.99.50.86	A	mbl-99-50-86.dsl.net.pk
203.99.50.88	A	mbl-99-50-88.dsl.net.pk
203.99.50.89	A	mbl-99-50-89.dsl.net.pk
203.99.50.91	A	mbl-99-50-91.dsl.net.pk
203.99.50.94	A	mbl-99-50-94.dsl.net.pk
203.99.50.97	A	mbl-99-50-97.dsl.net.pk
203.99.50.99	A	mbl-99-50-99.dsl.net.pk
203.99.50.101	A	mbl-99-50-101.dsl.net.pk
203.99.50.103	A	mbl-99-50-103.dsl.net.pk
203.99.50.104	A	mbl-99-50-104.dsl.net.pk
203.99.50.107	A	mbl-99-50-107.dsl.net.pk
203.99.50.108	A	mbl-99-50-108.dsl.net.pk
203.99.50.109	A	mbl-99-50-109.dsl.net.pk
203.99.50.114	A	mbl-99-50-114.dsl.net.pk
203.99.50.121	A	mbl-99-50-121.dsl.net.pk
203.99.50.122	A	mbl-99-50-122.dsl.net.pk
203.99.50.124	A	mbl-99-50-124.dsl.net.pk
203.99.50.125	A	mbl-99-50-125.dsl.net.pk
203.99.50.129	A	mbl-99-50-129.dsl.net.pk
203.99.50.131	A+PTR	mail.idcresources.com
203.99.50.131	A	mail.jadooplus.com
203.99.50.133	A	mbl-99-50-133.dsl.net.pk
203.99.50.135	PTR	kbri.dsl.net.pk
203.99.50.139	A	mbl-99-50-139.dsl.net.pk
203.99.50.144	A	mbl-99-50-144.dsl.net.pk
203.99.50.145	A+PTR	mbl-99-50-145.dsl.net.pk
203.99.50.147	A	mbl-99-50-147.dsl.net.pk
203.99.50.148	A	mbl-99-50-148.dsl.net.pk
203.99.50.156	A	mbl-99-50-156.dsl.net.pk
203.99.50.159	A	mbl-99-50-159.dsl.net.pk
203.99.50.170	A+PTR	mbl-99-50-170.dsl.net.pk
203.99.50.172	A	mbl-99-50-172.dsl.net.pk
203.99.50.175	A	mbl-99-50-175.dsl.net.pk
203.99.50.176	A	mbl-99-50-176.dsl.net.pk
203.99.50.178	A	mbl-99-50-178.dsl.net.pk
203.99.50.183	A	mbl-99-50-183.dsl.net.pk
203.99.50.186	A	mbl-99-50-186.dsl.net.pk
203.99.50.187	A	mbl-99-50-187.dsl.net.pk
203.99.50.189	A	mbl-99-50-189.dsl.net.pk
203.99.50.190	A	mbl-99-50-190.dsl.net.pk
203.99.50.192	A	mbl-99-50-192.dsl.net.pk
203.99.50.197	A	mbl-99-50-197.dsl.net.pk
203.99.50.201	A	mbl-99-50-201.dsl.net.pk
203.99.50.202	PTR	ns2.niit.edu.pk
203.99.50.203	A	mbl-99-50-203.dsl.net.pk
203.99.50.204	A	mbl-99-50-204.dsl.net.pk
203.99.50.208	A	mbl-99-50-208.dsl.net.pk
203.99.50.213	A	mbl-99-50-213.dsl.net.pk
203.99.50.217	PTR	mbl-99-50-217.dsl.net.pk
203.99.50.218	A	mbl-99-50-218.dsl.net.pk
203.99.50.219	A	mbl-99-50-219.dsl.net.pk
203.99.50.227	A	mail.convodev.net
203.99.50.227	A	convodev.net
203.99.50.229	A+PTR	mbl-99-50-229.dsl.net.pk
203.99.50.231	A	mbl-99-50-231.dsl.net.pk
203.99.50.232	A	mbl-99-50-232.dsl.net.pk
203.99.50.239	A	mbl-99-50-239.dsl.net.pk
203.99.50.241	A	mbl-99-50-241.dsl.net.pk
203.99.50.252	A	mbl-99-50-252.dsl.net.pk